Home / 1,192,290.78-1,645,783.74-708,853.44

Finding the Fourth Proportional to 1,192,290.78, 1,645,783.74 and 708,853.44

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Solution

The fourth proportional to 1,192,290.78, 1,645,783.74 and 708,853.44 is: 978,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,290.78 : 1,645,783.74 = 708,853.44 : x
  2. Step 2: Convert to fraction form
    1,192,290.78/1,645,783.74 = 708,853.44/x
  3. Step 3: Cross multiply
    1,192,290.78x = 1,645,783.74 × 708,853.44
  4. Step 4: Simplify right side
    1,192,290.78x = 1,166,619,465,595.07
  5. Step 5: Solve for x
    x = 1,166,619,465,595.07/1,192,290.78
  6. Step 6: Final answer
    x = 978,468.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.